//  分类组件
<template>

  <div class='home-category'>
    <template v-if="menulist.length > 0">
    <ul class="menu">
      <li v-for="item in menulist" :key="item.id">
        <RouterLink to="/">{{item.name}}</RouterLink>
        <template v-if="item.children.length>0">
          <RouterLink
            v-for="i in item.children" :key="i.id"
            to="/"
          >
          {{i.name}}
          </RouterLink>
        </template>
        <!-- 弹层layer位置 -->
        <!-- 弹层 -->
<div class="layer">
  <h4>分类推荐 <small>根据您的购买或浏览记录推荐</small></h4>
  <ul >
    <li v-for="str in item.goods" :key="str.id" >
      <RouterLink to="/" >
        <img :src="str.picture" alt="">
        <div class="info">
          <p class="name ellipsis-2">{{str.name}}</p>
          <p class="desc ellipsis">{{str.desc}}</p>
          <p class="price"><i>¥</i>{{str.price}}</p>
        </div>
      </RouterLink>
    </li>
  </ul>
</div>
      </li>
    </ul>
</template>

  <!-- 弹层 -->
<!-- 骨架屏模板 -->
<template v-else>
  <ul class="menu">
    <li v-for="i in 9" :key="i">
      <XtxSkeleton
        :width="40"
        :height="20"
        style="margin-right: 5px"
        bg="rgba(255,255,255,0.2)"
      />
      <XtxSkeleton
        :width="50"
        :height="20"
        bg="rgba(255,255,255,0.2)"
        style="margin-right: 5px"
      />
      <XtxSkeleton :width="50" :height="20" bg="rgba(255,255,255,0.2)" />
    </li>
  </ul>
</template>
</div>
</template>

<script>
export default {
  name: 'HomeCategory',
  computed: {
    menulist () {
      const list = this.$store.state.category.list.map(item => {
        return {
          id: item.id,
          name: item.name,
          children: item.children.slice(0, 2),
          goods: item.goods

        }
      })
      return list
    }
  }

}
</script>
<style scoped lang='less'>
.home-category {
  width: 250px;
  height: 500px;
  background: rgba(0, 0, 0, 0.8);
  position: relative;
  z-index: 99;
  .menu {
    li {
      padding-left: 40px;
      height: 55px;
      line-height: 55px;
      &:hover {
        background: @xtxColor;
      }
      a {
        margin-right: 4px;
        color: #fff;
        &:first-child {
          font-size: 16px;
        }
      }
      .layer {
        width: 990px;
        height: 500px;
        background: rgba(255, 255, 255, 0.8);
        position: absolute;
        left: 250px;
        top: 0;
        display: none;
        padding: 0 15px;
        h4 {
          font-size: 20px;
          font-weight: normal;
          line-height: 80px;
          small {
            font-size: 16px;
            color: #666;
          }
        }
        ul {
          display: flex;
          flex-wrap: wrap;
          li {
            width: 310px;
            height: 120px;
            margin-right: 15px;
            margin-bottom: 15px;
            border: 1px solid #eee;
            border-radius: 4px;
            background: #fff;
            &:nth-child(3n) {
              margin-right: 0;
            }
            a {
              display: flex;
              width: 100%;
              height: 100%;
              align-items: center;
              padding: 10px;
              &:hover {
                background: #e3f9f4;
              }
              img {
                width: 95px;
                height: 95px;
              }
              .info {
                padding-left: 10px;
                line-height: 24px;
                overflow: hidden;
                .name {
                  font-size: 16px;
                  color: #666;
                }
                .desc {
                  color: #999;
                }
                .price {
                  font-size: 22px;
                  color: @priceColor;
                  i {
                    font-size: 16px;
                  }
                }
              }
            }
          }
        }
      }
      &:hover {
        .layer {
          display: block;
        }
      }
    }
  }
}
</style>
